namespace CSharpPro._0925;

public class TestPrint1
{
    public void TestPrint()
    {
        int a=Convert.ToInt32(Console.ReadLine());
        bool flag = ((a % 4 == 0) &&(a % 100 != 0) )|| (a % 400 == 0);
        if (flag == true)
        {
            Console.WriteLine("是闰年");
        }
        else
        {
            Console.WriteLine("不是闰年");
        }
    }
}